Finding the Fourth Proportional to 194,977.80, 292,029.30 and 159,985.80
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Solution
The fourth proportional to 194,977.80, 292,029.30 and 159,985.80 is: 239,619.80
Step by Step Solution
- Step 1: Write the proportion equation
194,977.80 : 292,029.30 = 159,985.80 : x - Step 2: Convert to fraction form
194,977.80/292,029.30 = 159,985.80/x - Step 3: Cross multiply
194,977.80x = 292,029.30 × 159,985.80 - Step 4: Simplify right side
194,977.80x = 46,720,541,183.94 - Step 5: Solve for x
x = 46,720,541,183.94/194,977.80 - Step 6: Final answer
x = 239,619.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.